Triangular screwdriver handle



FIG. 1 is a top plan view of the triangular screwdriver handle constituting our new design, the shank, the reversing ring and the end cap in phantom and thus not forming part of the claimed invention;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof, the other side being identical;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear view thereof. 

The ornamental design for a triangular screwdriver handle, as shown and described. 